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CON677-4444-303 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

CON677-4444-303: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include end_item_identification: ACFT C-130 MODULAR AERIAL SPRAY SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-290-2066, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
CON677-4444-303
NSN: 4820-01-290-2066
FSC: 4820 — Valves, Nonpowered
CAGE: 48928 — CONAIR GROUP INC DIV CONAIR AEROSPACE (CAN)
SPECIFICATIONS
end_item_identificationACFT C-130 MODULAR AERIAL SPRAY SYSTEM
NSN4820-01-290-2066
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: CON677-4444-303 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONACFT C-130 MODULAR AERIAL SPRAY SYSTEM
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
W62-TT-S-15-4AA-00-00-00-TF-V-32Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
62TT1-5SCReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is CON677-4444-303?
CON677-4444-303 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace CON677-4444-303?
There are 2 known substitutes for CON677-4444-303: W62-TT-S-15-4AA-00-00-00-TF-V-32, 62TT1-5SC. Substitute compatibility should be verified for your specific system.
What is the NSN for CON677-4444-303?
CON677-4444-303 is cataloged in the U.S. Government catalog under NSN 4820-01-290-2066. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.